Light-emitting module, method of manufacturing the same and display device having the same
AssigneeSamsung Electronics Co., Ltd.
InventorYoung-Bee Chu
Life of this patent
Estimating the term…
Abstract
A light-emitting module includes a light guiding body, a light-emitting unit and a fluorescent unit. The light-guiding unit has a groove. The light-emitting unit is disposed in a portion of the groove and emits a first light. The fluorescent unit is disposed in a remaining portion of the groove, receives the first light and emits a second light having a different wavelength range than the first light. The fluorescent unit emits the second light to an inner side surface of the groove. Therefore, loss of the first and second light is reduced and light-using efficiency of the light-emitting module is increased. Furthermore, a power consumption of a display device is significantly reduced.
Claims15
A light-emitting module comprising:
- a light-guiding unit having a groove;
- a light-emitting unit disposed in a portion of the groove, wherein the light-emitting unit emits a first light;
- and
- a fluorescent unit formed in a remaining portion of the groove, wherein the fluorescent unit receives the first light and emits a second light having a different wavelength range than the first light,
- wherein the light-guiding unit comprises a first surface and a second surface, the first surface being an upper surface emitting the second light, the second surface being a lower surface opposite to the upper surface,
- wherein the groove is formed in a direction from the first surface to the second surface so that an opening of the groove is formed in the first surface.
A method of manufacturing a light-emitting module comprising:
- forming a groove in a light-guiding body;
- forming a fluorescent unit in a portion of the groove;
- and
- inserting a light-emitting unit into a remaining portion of the groove, wherein the light-emitting unit is disposed on a power printed circuit film,
- wherein the light-guiding body comprises a first surface and a second surface, the first surface being an upper surface emitting light of the fluorescent unit, the second surface being a lower surface opposite to the upper surface,
- wherein the groove is formed in a direction from the first surface to the second surface so that an opening of the groove is formed in the first surface.
Dependencies are inferred from the claim text.